SE8502364L - SERIES CONDENSATOR BATTERY PROTECTOR - Google Patents
SERIES CONDENSATOR BATTERY PROTECTORInfo
- Publication number
- SE8502364L SE8502364L SE8502364A SE8502364A SE8502364L SE 8502364 L SE8502364 L SE 8502364L SE 8502364 A SE8502364 A SE 8502364A SE 8502364 A SE8502364 A SE 8502364A SE 8502364 L SE8502364 L SE 8502364L
- Authority
- SE
- Sweden
- Prior art keywords
- series
- capacitor
- voltage
- transformer
- resistor
- Prior art date
Links
- 230000001012 protector Effects 0.000 title 1
- 239000003990 capacitor Substances 0.000 abstract 5
- 229910044991 metal oxide Inorganic materials 0.000 abstract 2
- 150000004706 metal oxides Chemical class 0.000 abstract 2
- 230000001419 dependent effect Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/043—Protection of over-voltage protection device by short-circuiting
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/16—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Emergency Protection Circuit Devices (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
As overvoltage protection for a series capacitor (C1-C5) in a high-voltage network a voltage-dependent resistor (Z6), built up of metal oxide varistors, is arranged in parallel with the capacitor. In parallel with the resistor there is a spark gap means consisting of two series-connected spark gaps (G1, G2) for shunting the resistor in case of overload thereof. The energy for triggering the spark gap means is obtained from an auxiliary capacitor (C5), which is charged during operation, and is supplied to one of the spark gaps (G2) via a switching means (T1, T2), controlled by an overload detector (CU), and a pulse transformer (TR). A metal oxide varistor (Z5) is connected in series with the high voltage winding of the transformer. The transformer is connected so that the triggering pulse is in opposition to the voltage across the series capacitor.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8502364A SE451520B (en) | 1985-05-13 | 1985-05-13 | PROTECTIVE DEVICE FOR A SERIES CONDENSOR BATTERY |
US06/854,918 US4703385A (en) | 1985-05-13 | 1986-04-23 | Protective circuit for series capacitor banks |
CA000508927A CA1276967C (en) | 1985-05-13 | 1986-05-12 | Protective circuit for series capacitor banks |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8502364A SE451520B (en) | 1985-05-13 | 1985-05-13 | PROTECTIVE DEVICE FOR A SERIES CONDENSOR BATTERY |
US06/854,918 US4703385A (en) | 1985-05-13 | 1986-04-23 | Protective circuit for series capacitor banks |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8502364D0 SE8502364D0 (en) | 1985-05-13 |
SE8502364L true SE8502364L (en) | 1986-11-14 |
SE451520B SE451520B (en) | 1987-10-12 |
Family
ID=32396421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8502364A SE451520B (en) | 1985-05-13 | 1985-05-13 | PROTECTIVE DEVICE FOR A SERIES CONDENSOR BATTERY |
Country Status (3)
Country | Link |
---|---|
US (1) | US4703385A (en) |
CA (1) | CA1276967C (en) |
SE (1) | SE451520B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE459136B (en) * | 1987-10-02 | 1989-06-05 | Asea Ab | Series capacitor EQUIPMENT |
US4975796A (en) * | 1988-10-13 | 1990-12-04 | Aerovox Incorporated | Reverse discharge diode capacitor |
DE59205866D1 (en) * | 1992-05-20 | 1996-05-02 | Siemens Ag | Method and device for relieving a capacitor of a controlled series compensator depending on the load of its arrester |
SE522144C2 (en) * | 2002-05-13 | 2004-01-20 | Abb Ab | Electrical device and method |
DE102004002581B4 (en) * | 2004-01-13 | 2005-11-10 | Siemens Ag | Spark gap with optically ignited power semiconductor component |
FI121765B (en) * | 2005-07-01 | 2011-03-31 | Alstom Grid Oy | Method and arrangement for triggering the spark gap |
US8228645B2 (en) * | 2009-03-03 | 2012-07-24 | General Electric Company | Systems and methods for protecting a series capacitor bank |
EP2521228B1 (en) | 2011-05-05 | 2014-01-01 | ABB Research Ltd. | Device and method for quick closing of an electric circuit and a use of the device |
CZ305207B6 (en) * | 2012-08-28 | 2015-06-10 | Saltek S.R.O. | Circuit arrangement of overvoltage protection firing circuit |
EP2747232B1 (en) * | 2012-12-21 | 2022-07-27 | General Electric Technology GmbH | Method and arrangement for triggering a series spark gap |
DE102015013222B3 (en) * | 2015-07-27 | 2016-12-15 | DEHN + SÖHNE GmbH + Co. KG. | Circuit arrangement for the electronic control of triggerable surge arresters |
DE102016125899B4 (en) * | 2016-02-10 | 2023-09-21 | Dehn Se | Arrangement for the galvanically isolated control of a triggered spark gap with adjustment of the response and residual voltage of the spark gap used |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1354245A (en) * | 1972-05-18 | 1974-06-05 | Gni Energet I Im Gm Krzhizhano | Electrical power surge arrestors |
US3816802A (en) * | 1972-12-26 | 1974-06-11 | Buckbee Mears Co | Lightning arrester |
US4174529A (en) * | 1978-04-10 | 1979-11-13 | General Electric Company | Protective circuit for zinc oxide varistors |
SE426895B (en) * | 1981-07-06 | 1983-02-14 | Asea Ab | PROTECTOR FOR A SERIES CONDENSOR IN A HIGH VOLTAGE NETWORK |
FR2544923A1 (en) * | 1983-04-20 | 1984-10-26 | Cables De Lyon Geoffroy Delore | Device for protecting a line against overvoltages |
-
1985
- 1985-05-13 SE SE8502364A patent/SE451520B/en not_active IP Right Cessation
-
1986
- 1986-04-23 US US06/854,918 patent/US4703385A/en not_active Expired - Lifetime
- 1986-05-12 CA CA000508927A patent/CA1276967C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4703385A (en) | 1987-10-27 |
CA1276967C (en) | 1990-11-27 |
SE8502364D0 (en) | 1985-05-13 |
SE451520B (en) | 1987-10-12 |
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Legal Events
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NAL | Patent in force |
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